#include <iostream>
#include <sys/types.h>
#include <signal.h>
#include <stdio.h>
#include <string>
using namespace std;
int main(int argc,char*argv[])
{
    //mykill signum pid
    if(argc!=3)
    {
        printf("please enter@ %s signum pid\n",argv[0]);
    }
    pid_t pid=stoi(argv[2]);
    int signum=stoi(argv[1]);
    int n=kill(pid,signum);
    return 0;
}